Helmet accessory



FIG. 1 is a perspective view of my new design for a helmet accessory.

FIG. 2 is a top view of the helmet accessory

FIG. 3 is a bottom view of the helmet accessory

FIG. 4 is an elevation view of the helmet accessory; and,

FIG. 5 is a section view of the helmet accessory.

The broken line showing of a helmet is included for the purpose of illustrating environment only and forms no part of the claimed design. 

The ornamental design for a helmet accessory, as shown and described. 